2 * PROJECT: ReactOS Kernel
3 * LICENSE: BSD - See COPYING.ARM in the top level directory
4 * FILE: ntoskrnl/mm/ARM3/miarm.h
5 * PURPOSE: ARM Memory Manager Header
6 * PROGRAMMERS: ReactOS Portable Systems Group
11 #define MI_MIN_PAGES_FOR_NONPAGED_POOL_TUNING ((255 * _1MB) >> PAGE_SHIFT)
12 #define MI_MIN_PAGES_FOR_SYSPTE_TUNING ((19 * _1MB) >> PAGE_SHIFT)
13 #define MI_MIN_PAGES_FOR_SYSPTE_BOOST ((32 * _1MB) >> PAGE_SHIFT)
14 #define MI_MAX_INIT_NONPAGED_POOL_SIZE (128 * _1MB)
15 #define MI_MAX_NONPAGED_POOL_SIZE (128 * _1MB)
16 #define MI_MAX_FREE_PAGE_LISTS 4
18 #define MI_MIN_INIT_PAGED_POOLSIZE (32 * _1MB)
20 #define MI_SESSION_VIEW_SIZE (20 * _1MB)
21 #define MI_SESSION_POOL_SIZE (16 * _1MB)
22 #define MI_SESSION_IMAGE_SIZE (8 * _1MB)
23 #define MI_SESSION_WORKING_SET_SIZE (4 * _1MB)
24 #define MI_SESSION_SIZE (MI_SESSION_VIEW_SIZE + \
25 MI_SESSION_POOL_SIZE + \
26 MI_SESSION_IMAGE_SIZE + \
27 MI_SESSION_WORKING_SET_SIZE)
29 #define MI_SYSTEM_VIEW_SIZE (16 * _1MB)
31 #define MI_SYSTEM_CACHE_WS_START (PVOID)0xC0C00000
32 #define MI_PAGED_POOL_START (PVOID)0xE1000000
33 #define MI_NONPAGED_POOL_END (PVOID)0xFFBE0000
34 #define MI_DEBUG_MAPPING (PVOID)0xFFBFF000
36 #define MI_SYSTEM_PTE_BASE (PVOID)MiAddressToPte(NULL)
38 #define MI_MIN_SECONDARY_COLORS 8
39 #define MI_SECONDARY_COLORS 64
40 #define MI_MAX_SECONDARY_COLORS 1024
42 #define MI_MIN_ALLOCATION_FRAGMENT (4 * _1KB)
43 #define MI_ALLOCATION_FRAGMENT (64 * _1KB)
44 #define MI_MAX_ALLOCATION_FRAGMENT (2 * _1MB)
46 #define MM_HIGHEST_VAD_ADDRESS \
47 (PVOID)((ULONG_PTR)MM_HIGHEST_USER_ADDRESS - (16 * PAGE_SIZE))
49 /* The range 0x10000->0x7FEFFFFF is reserved for the ROSMM MAREA Allocator */
50 #define MI_LOWEST_VAD_ADDRESS (PVOID)0x7FF00000
52 #endif /* !_M_AMD64 */
54 /* Make the code cleaner with some definitions for size multiples */
56 #define _1MB (1024 * _1KB)
57 #define _1GB (1024 * _1MB)
59 /* Area mapped by a PDE */
60 #define PDE_MAPPED_VA (PTE_COUNT * PAGE_SIZE)
62 /* Size of a page table */
63 #define PT_SIZE (PTE_COUNT * sizeof(MMPTE))
65 /* Architecture specific count of PDEs in a directory, and count of PTEs in a PT */
68 #define PDE_COUNT 1024
69 #define PTE_COUNT 1024
72 #define PDE_COUNT 4096
75 #define PD_COUNT PPE_PER_PAGE
76 #define PDE_COUNT PDE_PER_PAGE
77 #define PTE_COUNT PTE_PER_PAGE
81 #define IMAGE_FILE_MACHINE_NATIVE IMAGE_FILE_MACHINE_I386
83 #define IMAGE_FILE_MACHINE_NATIVE IMAGE_FILE_MACHINE_ARM
85 #define IMAGE_FILE_MACHINE_NATIVE IMAGE_FILE_MACHINE_AMD64
87 #error Define these please!
91 // Protection Bits part of the internal memory manager Protection Mask
92 // Taken from http://www.reactos.org/wiki/Techwiki:Memory_management_in_the_Windows_XP_kernel
93 // and public assertions.
95 #define MM_ZERO_ACCESS 0
98 #define MM_EXECUTE_READ 3
99 #define MM_READWRITE 4
100 #define MM_WRITECOPY 5
101 #define MM_EXECUTE_READWRITE 6
102 #define MM_EXECUTE_WRITECOPY 7
104 #define MM_DECOMMIT 0x10
105 #define MM_NOACCESS (MM_DECOMMIT | MM_NOCACHE)
108 // Specific PTE Definitions that map to the Memory Manager's Protection Mask Bits
109 // The Memory Manager's definition define the attributes that must be preserved
110 // and these PTE definitions describe the attributes in the hardware sense. This
111 // helps deal with hardware differences between the actual boolean expression of
114 // For example, in the logical attributes, we want to express read-only as a flag
115 // but on x86, it is writability that must be set. On the other hand, on x86, just
116 // like in the kernel, it is disabling the caches that requires a special flag,
117 // while on certain architectures such as ARM, it is enabling the cache which
120 #if defined(_M_IX86) || defined(_M_AMD64)
124 #define PTE_READONLY 0
125 #define PTE_EXECUTE 0 // Not worrying about NX yet
126 #define PTE_EXECUTE_READ 0 // Not worrying about NX yet
127 #define PTE_READWRITE 0x2
128 #define PTE_WRITECOPY 0x200
129 #define PTE_EXECUTE_READWRITE 0x0
130 #define PTE_EXECUTE_WRITECOPY 0x200
131 #define PTE_PROTOTYPE 0x400
135 #define PTE_ENABLE_CACHE 0
136 #define PTE_DISABLE_CACHE 0x10
137 #define PTE_WRITECOMBINED_CACHE 0x10
138 #elif defined(_M_ARM)
140 #error Define these please!
144 MmProtectToPteMask
[32] =
147 // These are the base MM_ protection flags
150 PTE_READONLY
| PTE_ENABLE_CACHE
,
151 PTE_EXECUTE
| PTE_ENABLE_CACHE
,
152 PTE_EXECUTE_READ
| PTE_ENABLE_CACHE
,
153 PTE_READWRITE
| PTE_ENABLE_CACHE
,
154 PTE_WRITECOPY
| PTE_ENABLE_CACHE
,
155 PTE_EXECUTE_READWRITE
| PTE_ENABLE_CACHE
,
156 PTE_EXECUTE_WRITECOPY
| PTE_ENABLE_CACHE
,
158 // These OR in the MM_NOCACHE flag
161 PTE_READONLY
| PTE_DISABLE_CACHE
,
162 PTE_EXECUTE
| PTE_DISABLE_CACHE
,
163 PTE_EXECUTE_READ
| PTE_DISABLE_CACHE
,
164 PTE_READWRITE
| PTE_DISABLE_CACHE
,
165 PTE_WRITECOPY
| PTE_DISABLE_CACHE
,
166 PTE_EXECUTE_READWRITE
| PTE_DISABLE_CACHE
,
167 PTE_EXECUTE_WRITECOPY
| PTE_DISABLE_CACHE
,
169 // These OR in the MM_DECOMMIT flag, which doesn't seem supported on x86/64/ARM
172 PTE_READONLY
| PTE_ENABLE_CACHE
,
173 PTE_EXECUTE
| PTE_ENABLE_CACHE
,
174 PTE_EXECUTE_READ
| PTE_ENABLE_CACHE
,
175 PTE_READWRITE
| PTE_ENABLE_CACHE
,
176 PTE_WRITECOPY
| PTE_ENABLE_CACHE
,
177 PTE_EXECUTE_READWRITE
| PTE_ENABLE_CACHE
,
178 PTE_EXECUTE_WRITECOPY
| PTE_ENABLE_CACHE
,
180 // These OR in the MM_NOACCESS flag, which seems to enable WriteCombining?
183 PTE_READONLY
| PTE_WRITECOMBINED_CACHE
,
184 PTE_EXECUTE
| PTE_WRITECOMBINED_CACHE
,
185 PTE_EXECUTE_READ
| PTE_WRITECOMBINED_CACHE
,
186 PTE_READWRITE
| PTE_WRITECOMBINED_CACHE
,
187 PTE_WRITECOPY
| PTE_WRITECOMBINED_CACHE
,
188 PTE_EXECUTE_READWRITE
| PTE_WRITECOMBINED_CACHE
,
189 PTE_EXECUTE_WRITECOPY
| PTE_WRITECOMBINED_CACHE
,
193 // Assertions for session images, addresses, and PTEs
195 #define MI_IS_SESSION_IMAGE_ADDRESS(Address) \
196 (((Address) >= MiSessionImageStart) && ((Address) < MiSessionImageEnd))
198 #define MI_IS_SESSION_ADDRESS(Address) \
199 (((Address) >= MmSessionBase) && ((Address) < MiSessionSpaceEnd))
201 #define MI_IS_SESSION_PTE(Pte) \
202 ((((PMMPTE)Pte) >= MiSessionBasePte) && (((PMMPTE)Pte) < MiSessionLastPte))
204 #define MI_IS_PAGE_TABLE_ADDRESS(Address) \
205 (((PVOID)(Address) >= (PVOID)PTE_BASE) && ((PVOID)(Address) <= (PVOID)PTE_TOP))
207 #define MI_IS_SYSTEM_PAGE_TABLE_ADDRESS(Address) \
208 (((Address) >= (PVOID)MiAddressToPte(MmSystemRangeStart)) && ((Address) <= (PVOID)PTE_TOP))
210 #define MI_IS_PAGE_TABLE_OR_HYPER_ADDRESS(Address) \
211 (((PVOID)(Address) >= (PVOID)PTE_BASE) && ((PVOID)(Address) <= (PVOID)MmHyperSpaceEnd))
214 // Corresponds to MMPTE_SOFTWARE.Protection
217 #define MM_PTE_SOFTWARE_PROTECTION_BITS 5
219 #define MM_PTE_SOFTWARE_PROTECTION_BITS 5
221 #define MM_PTE_SOFTWARE_PROTECTION_BITS 5
223 #error Define these please!
227 // Creates a software PTE with the given protection
229 #define MI_MAKE_SOFTWARE_PTE(p, x) ((p)->u.Long = (x << MM_PTE_SOFTWARE_PROTECTION_BITS))
232 // Marks a PTE as deleted
234 #define MI_SET_PFN_DELETED(x) ((x)->PteAddress = (PMMPTE)((ULONG_PTR)(x)->PteAddress | 1))
235 #define MI_IS_PFN_DELETED(x) ((ULONG_PTR)((x)->PteAddress) & 1)
238 // Special values for LoadedImports
240 #define MM_SYSLDR_NO_IMPORTS (PVOID)0xFFFFFFFE
241 #define MM_SYSLDR_BOOT_LOADED (PVOID)0xFFFFFFFF
242 #define MM_SYSLDR_SINGLE_ENTRY 0x1
247 #define LIST_HEAD 0xFFFFFFFF
250 // Special IRQL value (found in assertions)
252 #define MM_NOIRQL (KIRQL)0xFFFFFFFF
255 // FIXFIX: These should go in ex.h after the pool merge
258 #define POOL_BLOCK_SIZE 16
260 #define POOL_BLOCK_SIZE 8
262 #define POOL_LISTS_PER_PAGE (PAGE_SIZE / POOL_BLOCK_SIZE)
263 #define BASE_POOL_TYPE_MASK 1
264 #define POOL_MAX_ALLOC (PAGE_SIZE - (sizeof(POOL_HEADER) + POOL_BLOCK_SIZE))
266 typedef struct _POOL_DESCRIPTOR
271 ULONG RunningDeAllocs
;
277 LONG PendingFreeDepth
;
280 LIST_ENTRY ListHeads
[POOL_LISTS_PER_PAGE
];
281 } POOL_DESCRIPTOR
, *PPOOL_DESCRIPTOR
;
283 typedef struct _POOL_HEADER
290 ULONG PreviousSize
:8;
295 USHORT PreviousSize
:9;
309 PEPROCESS ProcessBilled
;
315 USHORT AllocatorBackTraceIndex
;
319 } POOL_HEADER
, *PPOOL_HEADER
;
321 C_ASSERT(sizeof(POOL_HEADER
) == POOL_BLOCK_SIZE
);
322 C_ASSERT(POOL_BLOCK_SIZE
== sizeof(LIST_ENTRY
));
324 extern ULONG ExpNumberOfPagedPools
;
325 extern POOL_DESCRIPTOR NonPagedPoolDescriptor
;
326 extern PPOOL_DESCRIPTOR ExpPagedPoolDescriptor
[16 + 1];
327 extern PVOID PoolTrackTable
;
333 typedef struct _MI_LARGE_PAGE_DRIVER_ENTRY
336 UNICODE_STRING BaseName
;
337 } MI_LARGE_PAGE_DRIVER_ENTRY
, *PMI_LARGE_PAGE_DRIVER_ENTRY
;
339 typedef enum _MMSYSTEM_PTE_POOL_TYPE
342 NonPagedPoolExpansion
,
344 } MMSYSTEM_PTE_POOL_TYPE
;
346 typedef enum _MI_PFN_CACHE_ATTRIBUTE
352 } MI_PFN_CACHE_ATTRIBUTE
, *PMI_PFN_CACHE_ATTRIBUTE
;
354 typedef struct _PHYSICAL_MEMORY_RUN
358 } PHYSICAL_MEMORY_RUN
, *PPHYSICAL_MEMORY_RUN
;
360 typedef struct _PHYSICAL_MEMORY_DESCRIPTOR
364 PHYSICAL_MEMORY_RUN Run
[1];
365 } PHYSICAL_MEMORY_DESCRIPTOR
, *PPHYSICAL_MEMORY_DESCRIPTOR
;
367 typedef struct _MMCOLOR_TABLES
372 } MMCOLOR_TABLES
, *PMMCOLOR_TABLES
;
374 typedef struct _MI_LARGE_PAGE_RANGES
376 PFN_NUMBER StartFrame
;
377 PFN_NUMBER LastFrame
;
378 } MI_LARGE_PAGE_RANGES
, *PMI_LARGE_PAGE_RANGES
;
380 extern MMPTE HyperTemplatePte
;
381 extern MMPDE ValidKernelPde
;
382 extern MMPTE ValidKernelPte
;
383 extern MMPDE DemandZeroPde
;
384 extern MMPTE PrototypePte
;
385 extern BOOLEAN MmLargeSystemCache
;
386 extern BOOLEAN MmZeroPageFile
;
387 extern BOOLEAN MmProtectFreedNonPagedPool
;
388 extern BOOLEAN MmTrackLockedPages
;
389 extern BOOLEAN MmTrackPtes
;
390 extern BOOLEAN MmDynamicPfn
;
391 extern BOOLEAN MmMirroring
;
392 extern BOOLEAN MmMakeLowMemory
;
393 extern BOOLEAN MmEnforceWriteProtection
;
394 extern SIZE_T MmAllocationFragment
;
395 extern ULONG MmConsumedPoolPercentage
;
396 extern ULONG MmVerifyDriverBufferType
;
397 extern ULONG MmVerifyDriverLevel
;
398 extern WCHAR MmVerifyDriverBuffer
[512];
399 extern WCHAR MmLargePageDriverBuffer
[512];
400 extern LIST_ENTRY MiLargePageDriverList
;
401 extern BOOLEAN MiLargePageAllDrivers
;
402 extern ULONG MmVerifyDriverBufferLength
;
403 extern ULONG MmLargePageDriverBufferLength
;
404 extern SIZE_T MmSizeOfNonPagedPoolInBytes
;
405 extern SIZE_T MmMaximumNonPagedPoolInBytes
;
406 extern PFN_NUMBER MmMaximumNonPagedPoolInPages
;
407 extern PFN_NUMBER MmSizeOfPagedPoolInPages
;
408 extern PVOID MmNonPagedSystemStart
;
409 extern PVOID MmNonPagedPoolStart
;
410 extern PVOID MmNonPagedPoolExpansionStart
;
411 extern PVOID MmNonPagedPoolEnd
;
412 extern SIZE_T MmSizeOfPagedPoolInBytes
;
413 extern PVOID MmPagedPoolStart
;
414 extern PVOID MmPagedPoolEnd
;
415 extern PVOID MmSessionBase
;
416 extern SIZE_T MmSessionSize
;
417 extern PMMPTE MmFirstReservedMappingPte
, MmLastReservedMappingPte
;
418 extern PMMPTE MiFirstReservedZeroingPte
;
419 extern MI_PFN_CACHE_ATTRIBUTE MiPlatformCacheAttributes
[2][MmMaximumCacheType
];
420 extern PPHYSICAL_MEMORY_DESCRIPTOR MmPhysicalMemoryBlock
;
421 extern SIZE_T MmBootImageSize
;
422 extern PMMPTE MmSystemPtesStart
[MaximumPtePoolTypes
];
423 extern PMMPTE MmSystemPtesEnd
[MaximumPtePoolTypes
];
424 extern PMEMORY_ALLOCATION_DESCRIPTOR MxFreeDescriptor
;
425 extern MEMORY_ALLOCATION_DESCRIPTOR MxOldFreeDescriptor
;
426 extern ULONG_PTR MxPfnAllocation
;
427 extern MM_PAGED_POOL_INFO MmPagedPoolInfo
;
428 extern RTL_BITMAP MiPfnBitMap
;
429 extern KGUARDED_MUTEX MmPagedPoolMutex
;
430 extern PVOID MmPagedPoolStart
;
431 extern PVOID MmPagedPoolEnd
;
432 extern PVOID MmNonPagedSystemStart
;
433 extern PVOID MiSystemViewStart
;
434 extern SIZE_T MmSystemViewSize
;
435 extern PVOID MmSessionBase
;
436 extern PVOID MiSessionSpaceEnd
;
437 extern PMMPTE MiSessionImagePteStart
;
438 extern PMMPTE MiSessionImagePteEnd
;
439 extern PMMPTE MiSessionBasePte
;
440 extern PMMPTE MiSessionLastPte
;
441 extern SIZE_T MmSizeOfPagedPoolInBytes
;
442 extern PMMPTE MmSystemPagePtes
;
443 extern PVOID MmSystemCacheStart
;
444 extern PVOID MmSystemCacheEnd
;
445 extern MMSUPPORT MmSystemCacheWs
;
446 extern SIZE_T MmAllocatedNonPagedPool
;
447 extern ULONG_PTR MmSubsectionBase
;
448 extern ULONG MmSpecialPoolTag
;
449 extern PVOID MmHyperSpaceEnd
;
450 extern PMMWSL MmSystemCacheWorkingSetList
;
451 extern SIZE_T MmMinimumNonPagedPoolSize
;
452 extern ULONG MmMinAdditionNonPagedPoolPerMb
;
453 extern SIZE_T MmDefaultMaximumNonPagedPool
;
454 extern ULONG MmMaxAdditionNonPagedPoolPerMb
;
455 extern ULONG MmSecondaryColors
;
456 extern ULONG MmSecondaryColorMask
;
457 extern ULONG_PTR MmNumberOfSystemPtes
;
458 extern ULONG MmMaximumNonPagedPoolPercent
;
459 extern ULONG MmLargeStackSize
;
460 extern PMMCOLOR_TABLES MmFreePagesByColor
[FreePageList
+ 1];
461 extern ULONG MmProductType
;
462 extern MM_SYSTEMSIZE MmSystemSize
;
463 extern PKEVENT MiLowMemoryEvent
;
464 extern PKEVENT MiHighMemoryEvent
;
465 extern PKEVENT MiLowPagedPoolEvent
;
466 extern PKEVENT MiHighPagedPoolEvent
;
467 extern PKEVENT MiLowNonPagedPoolEvent
;
468 extern PKEVENT MiHighNonPagedPoolEvent
;
469 extern PFN_NUMBER MmLowMemoryThreshold
;
470 extern PFN_NUMBER MmHighMemoryThreshold
;
471 extern PFN_NUMBER MiLowPagedPoolThreshold
;
472 extern PFN_NUMBER MiHighPagedPoolThreshold
;
473 extern PFN_NUMBER MiLowNonPagedPoolThreshold
;
474 extern PFN_NUMBER MiHighNonPagedPoolThreshold
;
475 extern PFN_NUMBER MmMinimumFreePages
;
476 extern PFN_NUMBER MmPlentyFreePages
;
477 extern PFN_NUMBER MiExpansionPoolPagesInitialCharge
;
478 extern PFN_NUMBER MmResidentAvailablePages
;
479 extern PFN_NUMBER MmResidentAvailableAtInit
;
480 extern ULONG MmTotalFreeSystemPtes
[MaximumPtePoolTypes
];
481 extern PFN_NUMBER MmTotalSystemDriverPages
;
482 extern PVOID MiSessionImageStart
;
483 extern PVOID MiSessionImageEnd
;
484 extern PMMPTE MiHighestUserPte
;
485 extern PMMPDE MiHighestUserPde
;
486 extern PFN_NUMBER MmSystemPageDirectory
[PD_COUNT
];
487 extern PMMPTE MmSharedUserDataPte
;
488 extern LIST_ENTRY MmProcessList
;
490 #define MI_PFN_TO_PFNENTRY(x) (&MmPfnDatabase[1][x])
491 #define MI_PFNENTRY_TO_PFN(x) (x - MmPfnDatabase[1])
494 // Figures out the hardware bits for a PTE
498 MiDetermineUserGlobalPteMask(IN PMMPTE PointerPte
)
505 /* Make it valid and accessed */
506 TempPte
.u
.Hard
.Valid
= TRUE
;
507 TempPte
.u
.Hard
.Accessed
= TRUE
;
509 /* Is this for user-mode? */
510 if ((PointerPte
<= MiHighestUserPte
) ||
511 ((PointerPte
>= MiAddressToPde(NULL
)) && (PointerPte
<= MiHighestUserPde
)))
513 /* Set the owner bit */
514 TempPte
.u
.Hard
.Owner
= TRUE
;
517 /* FIXME: We should also set the global bit */
519 /* Return the protection */
520 return TempPte
.u
.Long
;
524 // Creates a valid kernel PTE with the given protection
528 MI_MAKE_HARDWARE_PTE_KERNEL(IN PMMPTE NewPte
,
529 IN PMMPTE MappingPte
,
530 IN ULONG ProtectionMask
,
531 IN PFN_NUMBER PageFrameNumber
)
533 /* Only valid for kernel, non-session PTEs */
534 ASSERT(MappingPte
> MiHighestUserPte
);
535 ASSERT(!MI_IS_SESSION_PTE(MappingPte
));
536 ASSERT((MappingPte
< (PMMPTE
)PDE_BASE
) || (MappingPte
> (PMMPTE
)PDE_TOP
));
539 *NewPte
= ValidKernelPte
;
541 /* Set the protection and page */
542 NewPte
->u
.Hard
.PageFrameNumber
= PageFrameNumber
;
543 NewPte
->u
.Long
|= MmProtectToPteMask
[ProtectionMask
];
547 // Creates a valid PTE with the given protection
551 MI_MAKE_HARDWARE_PTE(IN PMMPTE NewPte
,
552 IN PMMPTE MappingPte
,
553 IN ULONG ProtectionMask
,
554 IN PFN_NUMBER PageFrameNumber
)
556 /* Set the protection and page */
557 NewPte
->u
.Long
= MiDetermineUserGlobalPteMask(MappingPte
);
558 NewPte
->u
.Long
|= MmProtectToPteMask
[ProtectionMask
];
559 NewPte
->u
.Hard
.PageFrameNumber
= PageFrameNumber
;
563 // Creates a valid user PTE with the given protection
567 MI_MAKE_HARDWARE_PTE_USER(IN PMMPTE NewPte
,
568 IN PMMPTE MappingPte
,
569 IN ULONG ProtectionMask
,
570 IN PFN_NUMBER PageFrameNumber
)
572 /* Only valid for kernel, non-session PTEs */
573 ASSERT(MappingPte
<= MiHighestUserPte
);
576 *NewPte
= ValidKernelPte
;
578 /* Set the protection and page */
579 NewPte
->u
.Hard
.Owner
= TRUE
;
580 NewPte
->u
.Hard
.PageFrameNumber
= PageFrameNumber
;
581 NewPte
->u
.Long
|= MmProtectToPteMask
[ProtectionMask
];
585 // Returns if the page is physically resident (ie: a large page)
586 // FIXFIX: CISC/x86 only?
590 MI_IS_PHYSICAL_ADDRESS(IN PVOID Address
)
594 /* Large pages are never paged out, always physically resident */
595 PointerPde
= MiAddressToPde(Address
);
596 return ((PointerPde
->u
.Hard
.LargePage
) && (PointerPde
->u
.Hard
.Valid
));
600 // Writes a valid PTE
604 MI_WRITE_VALID_PTE(IN PMMPTE PointerPte
,
607 /* Write the valid PTE */
608 ASSERT(PointerPte
->u
.Hard
.Valid
== 0);
609 ASSERT(TempPte
.u
.Hard
.Valid
== 1);
610 *PointerPte
= TempPte
;
614 // Writes an invalid PTE
618 MI_WRITE_INVALID_PTE(IN PMMPTE PointerPte
,
621 /* Write the invalid PTE */
622 ASSERT(InvalidPte
.u
.Hard
.Valid
== 0);
623 *PointerPte
= InvalidPte
;
627 // Checks if the thread already owns a working set
631 MM_ANY_WS_LOCK_HELD(IN PETHREAD Thread
)
633 /* If any of these are held, return TRUE */
634 return ((Thread
->OwnsProcessWorkingSetExclusive
) ||
635 (Thread
->OwnsProcessWorkingSetShared
) ||
636 (Thread
->OwnsSystemWorkingSetExclusive
) ||
637 (Thread
->OwnsSystemWorkingSetShared
) ||
638 (Thread
->OwnsSessionWorkingSetExclusive
) ||
639 (Thread
->OwnsSessionWorkingSetShared
));
643 // Checks if the process owns the working set lock
647 MI_WS_OWNER(IN PEPROCESS Process
)
649 /* Check if this process is the owner, and that the thread owns the WS */
650 return ((KeGetCurrentThread()->ApcState
.Process
== &Process
->Pcb
) &&
651 ((PsGetCurrentThread()->OwnsProcessWorkingSetExclusive
) ||
652 (PsGetCurrentThread()->OwnsProcessWorkingSetShared
)));
656 // Locks the working set for the given process
660 MiLockProcessWorkingSet(IN PEPROCESS Process
,
663 /* Shouldn't already be owning the process working set */
664 ASSERT(Thread
->OwnsProcessWorkingSetShared
== FALSE
);
665 ASSERT(Thread
->OwnsProcessWorkingSetExclusive
== FALSE
);
667 /* Block APCs, make sure that still nothing is already held */
668 KeEnterGuardedRegion();
669 ASSERT(!MM_ANY_WS_LOCK_HELD(Thread
));
671 /* FIXME: Actually lock it (we can't because Vm is used by MAREAs) */
673 /* FIXME: This also can't be checked because Vm is used by MAREAs) */
674 //ASSERT(Process->Vm.Flags.AcquiredUnsafe == 0);
676 /* Okay, now we can own it exclusively */
677 ASSERT(Thread
->OwnsProcessWorkingSetExclusive
== FALSE
);
678 Thread
->OwnsProcessWorkingSetExclusive
= TRUE
;
682 // Unlocks the working set for the given process
686 MiUnlockProcessWorkingSet(IN PEPROCESS Process
,
689 /* Make sure this process really is owner, and it was a safe acquisition */
690 ASSERT(MI_WS_OWNER(Process
));
691 /* This can't be checked because Vm is used by MAREAs) */
692 //ASSERT(Process->Vm.Flags.AcquiredUnsafe == 0);
694 /* The thread doesn't own it anymore */
695 ASSERT(Thread
->OwnsProcessWorkingSetExclusive
== TRUE
);
696 Thread
->OwnsProcessWorkingSetExclusive
= FALSE
;
698 /* FIXME: Actually release it (we can't because Vm is used by MAREAs) */
701 KeLeaveGuardedRegion();
705 // Locks the working set
709 MiLockWorkingSet(IN PETHREAD Thread
,
710 IN PMMSUPPORT WorkingSet
)
713 KeEnterGuardedRegion();
715 /* Working set should be in global memory */
716 ASSERT(MI_IS_SESSION_ADDRESS((PVOID
)WorkingSet
) == FALSE
);
718 /* Thread shouldn't already be owning something */
719 ASSERT(!MM_ANY_WS_LOCK_HELD(Thread
));
721 /* FIXME: Actually lock it (we can't because Vm is used by MAREAs) */
723 /* Which working set is this? */
724 if (WorkingSet
== &MmSystemCacheWs
)
726 /* Own the system working set */
727 ASSERT((Thread
->OwnsSystemWorkingSetExclusive
== FALSE
) &&
728 (Thread
->OwnsSystemWorkingSetShared
== FALSE
));
729 Thread
->OwnsSystemWorkingSetExclusive
= TRUE
;
731 else if (WorkingSet
->Flags
.SessionSpace
)
733 /* We don't implement this yet */
739 /* Own the process working set */
740 ASSERT((Thread
->OwnsProcessWorkingSetExclusive
== FALSE
) &&
741 (Thread
->OwnsProcessWorkingSetShared
== FALSE
));
742 Thread
->OwnsProcessWorkingSetExclusive
= TRUE
;
747 // Unlocks the working set
751 MiUnlockWorkingSet(IN PETHREAD Thread
,
752 IN PMMSUPPORT WorkingSet
)
754 /* Working set should be in global memory */
755 ASSERT(MI_IS_SESSION_ADDRESS((PVOID
)WorkingSet
) == FALSE
);
757 /* Which working set is this? */
758 if (WorkingSet
== &MmSystemCacheWs
)
760 /* Release the system working set */
761 ASSERT((Thread
->OwnsSystemWorkingSetExclusive
== TRUE
) ||
762 (Thread
->OwnsSystemWorkingSetShared
== TRUE
));
763 Thread
->OwnsSystemWorkingSetExclusive
= FALSE
;
765 else if (WorkingSet
->Flags
.SessionSpace
)
767 /* We don't implement this yet */
773 /* Release the process working set */
774 ASSERT((Thread
->OwnsProcessWorkingSetExclusive
) ||
775 (Thread
->OwnsProcessWorkingSetShared
));
776 Thread
->OwnsProcessWorkingSetExclusive
= FALSE
;
779 /* FIXME: Actually release it (we can't because Vm is used by MAREAs) */
782 KeLeaveGuardedRegion();
789 IN PLOADER_PARAMETER_BLOCK LoaderBlock
794 MiInitMachineDependent(
795 IN PLOADER_PARAMETER_BLOCK LoaderBlock
800 MiComputeColorInformation(
807 IN PLOADER_PARAMETER_BLOCK LoaderBlock
812 MiInitializeColorTables(
818 MiInitializePfnDatabase(
819 IN PLOADER_PARAMETER_BLOCK LoaderBlock
824 MiInitializeMemoryEvents(
831 IN PFN_NUMBER PageCount
834 PPHYSICAL_MEMORY_DESCRIPTOR
836 MmInitializeMemoryLimits(
837 IN PLOADER_PARAMETER_BLOCK LoaderBlock
,
838 IN PBOOLEAN IncludeType
843 MiPagesInLoaderBlock(
844 IN PLOADER_PARAMETER_BLOCK LoaderBlock
,
845 IN PBOOLEAN IncludeType
851 IN PVOID AddressStart
,
858 IN BOOLEAN StoreInstruction
,
860 IN KPROCESSOR_MODE Mode
,
861 IN PVOID TrapInformation
866 MiCheckPdeForPagedPool(
872 MiInitializeNonPagedPool(
878 MiInitializeNonPagedPoolThresholds(
884 MiInitializePoolEvents(
891 IN POOL_TYPE PoolType
,// FIXFIX: This should go in ex.h after the pool merge
892 IN ULONG Threshold
//
897 MiInitializeSystemPtes(
898 IN PMMPTE StartingPte
,
899 IN ULONG NumberOfPtes
,
900 IN MMSYSTEM_PTE_POOL_TYPE PoolType
906 IN ULONG NumberOfPtes
,
907 IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType
913 IN PMMPTE StartingPte
,
914 IN ULONG NumberOfPtes
,
915 IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType
921 MiFindContiguousPages(
922 IN PFN_NUMBER LowestPfn
,
923 IN PFN_NUMBER HighestPfn
,
924 IN PFN_NUMBER BoundaryPfn
,
925 IN PFN_NUMBER SizeInPages
,
926 IN MEMORY_CACHING_TYPE CacheType
931 MiCheckForContiguousMemory(
932 IN PVOID BaseAddress
,
933 IN PFN_NUMBER BaseAddressPages
,
934 IN PFN_NUMBER SizeInPages
,
935 IN PFN_NUMBER LowestPfn
,
936 IN PFN_NUMBER HighestPfn
,
937 IN PFN_NUMBER BoundaryPfn
,
938 IN MI_PFN_CACHE_ATTRIBUTE CacheAttribute
943 MiAllocatePagesForMdl(
944 IN PHYSICAL_ADDRESS LowAddress
,
945 IN PHYSICAL_ADDRESS HighAddress
,
946 IN PHYSICAL_ADDRESS SkipBytes
,
947 IN SIZE_T TotalBytes
,
948 IN MI_PFN_CACHE_ATTRIBUTE CacheAttribute
,
954 MiMapLockedPagesInUserSpace(
957 IN MEMORY_CACHING_TYPE CacheType
,
963 MiUnmapLockedPagesInUserSpace(
964 IN PVOID BaseAddress
,
971 IN PMMPFNLIST ListHead
,
977 MiInsertZeroListAtBack(
978 IN PFN_NUMBER PageIndex
983 MiUnlinkFreeOrZeroedPage(
990 IN PMMPFNLIST ListHead
996 IN PMMPTE PointerPte
,
1003 IN PFN_NUMBER PageFrameIndex
,
1004 IN PMMPTE PointerPte
,
1010 MiInitializePfnForOtherProcess(
1011 IN PFN_NUMBER PageFrameIndex
,
1012 IN PMMPTE PointerPte
,
1013 IN PFN_NUMBER PteFrame
1018 MiDecrementShareCount(
1020 IN PFN_NUMBER PageFrameIndex
1038 IN PFN_NUMBER PageFrameIndex
1043 MiInsertPageInFreeList(
1044 IN PFN_NUMBER PageFrameIndex
1049 MiDeleteSystemPageableVm(
1050 IN PMMPTE PointerPte
,
1051 IN PFN_NUMBER PageCount
,
1053 OUT PPFN_NUMBER ValidPages
1056 PLDR_DATA_TABLE_ENTRY
1058 MiLookupDataTableEntry(
1064 MiInitializeDriverLargePageList(
1070 MiInitializeLargePageSupport(
1089 IN PVOID VirtualAddress
1094 MiCheckForConflictingNode(
1095 IN ULONG_PTR StartVpn
,
1096 IN ULONG_PTR EndVpn
,
1097 IN PMM_AVL_TABLE Table
1102 MiFindEmptyAddressRangeDownTree(
1104 IN ULONG_PTR BoundaryAddress
,
1105 IN ULONG_PTR Alignment
,
1106 IN PMM_AVL_TABLE Table
,
1113 IN PMMADDRESS_NODE NewNode
,
1114 IN PMM_AVL_TABLE Table
1120 IN PMMADDRESS_NODE Node
,
1121 IN PMM_AVL_TABLE Table